Yes Sue, Professor Nutt is talking about the facts not knee jerk reactionism that the politicians use in order to get the "concerned" Middle England vote. Which by the way the Daily Mail represents.
I just came across this out of the Guardian.
A six-year study of Britain's drug laws by leading scientists,
police officers, academics and experts has concluded it is time to introduce decriminalisation.
Decriminalise drug use, say experts after six-year study | Politics | The Guardian